From 6d37ac3adb310dabe78e5ff0289f4bfeceda2114 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 18 Sep 2023 10:00:43 -0400 Subject: NFSD: Add nfsd4_encode_fattr4_space_used() Refactor the encoder for FATTR4_SPACE_USED into a helper. In a subsequent patch, this helper will be called from a bitmask loop. Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever --- fs/nfsd/nfs4xdr.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'fs/nfsd/nfs4xdr.c') diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index cf90db96932c..b8938521528f 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3249,6 +3249,12 @@ static __be32 nfsd4_encode_fattr4_space_total(struct xdr_stream *xdr, return nfsd4_encode_uint64_t(xdr, total); } +static __be32 nfsd4_encode_fattr4_space_used(struct xdr_stream *xdr, + const struct nfsd4_fattr_args *args) +{ + return nfsd4_encode_uint64_t(xdr, (u64)args->stat.blocks << 9); +} + /* * Note: @fhp can be NULL; in this case, we might have to compose the filehandle * ourselves. @@ -3267,7 +3273,6 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, __be32 *p, *attrlen_p; int starting_len = xdr->buf->len; int attrlen_offset; - u64 dummy64; __be32 status; int err; #ifdef CONFIG_NFSD_V4_SECURITY_LABEL @@ -3573,11 +3578,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, goto out; } if (bmval1 & FATTR4_WORD1_SPACE_USED) { - p = xdr_reserve_space(xdr, 8); - if (!p) - goto out_resource; - dummy64 = (u64)args.stat.blocks << 9; - p = xdr_encode_hyper(p, dummy64); + status = nfsd4_encode_fattr4_space_used(xdr, &args); + if (status != nfs_ok) + goto out; } if (bmval1 & FATTR4_WORD1_TIME_ACCESS) { status = nfsd4_encode_nfstime4(xdr, &args.stat.atime); -- cgit v1.2.3